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# FindLibretroCommon.cmake
# -------
# Finds the libretro-common headers
#
# This will define the following variables:
#
# LIBRETRO_COMMON_FOUND - libretro-common was found
# LIBRETRO_COMMON_INCLUDE_DIRS - the libretro include directory containing libretro.h
#
if(ENABLE_INTERNAL_LIBRETROCOMMON)
include(ExternalProject)
file(STRINGS ${CMAKE_SOURCE_DIR}/depends/common/libretro-common/libretro-common.txt libretrocommonurl REGEX "^libretro-common[\t ]*.+$")
string(REGEX REPLACE "^libretro-common[\t ]*(.+)[\t ]*$" "\\1" url "${libretrocommonurl}")
# allow user to override the download URL with a local tarball
# needed for offline build envs
if(LIBRETROCOMMON_URL)
get_filename_component(LIBRETROCOMMON_URL "${LIBRETROCOMMON_URL}" ABSOLUTE)
else()
set(LIBRETROCOMMON_URL ${url})
endif()
if(VERBOSE)
message(STATUS "LIBRETROCOMMON_URL: ${LIBRETROCOMMON_URL}")
endif()
set(LIBRETRO_COMMON_INCLUDE_DIR ${CMAKE_BINARY_DIR}/build/depends/include/libretro-common)
externalproject_add(libretro-common
URL ${LIBRETROCOMMON_URL}
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/download
PREFIX ${CMAKE_BINARY_DIR}/build/libretro-common
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_BINARY_DIR}/build/libretro-common/src/libretro-common/include ${LIBRETRO_COMMON_INCLUDE_DIR}
BUILD_BYPRODUCTS ${LIBRETRO_COMMON_INCLUDE_DIR}/libretro.h
BUILD_IN_SOURCE 1)
else()
find_path(LIBRETRO_COMMON_INCLUDE_DIR NAMES libretro.h
PATH_SUFFIXES libretro-common)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
LibretroCommon
REQUIRED_VARS LIBRETRO_COMMON_INCLUDE_DIR
)
if(LibretroCommon_FOUND)
set(LIBRETRO_COMMON_FOUND true)
set(LIBRETRO_COMMON_INCLUDE_DIRS ${LIBRETRO_COMMON_INCLUDE_DIR})
endif()
mark_as_advanced(LIBRETRO_COMMON_INCLUDE_DIR)
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